Baron Victor Frankenstein has discovered life's secret and unleashed a blood-curdling chain of events resulting from his creation: a cursed creature with a horrid face — and a tendency to kill.
Once hounded from his castle by outraged villagers for creating a monstrous living being, Baron Frankenstein returns to Karlstaad. High in the mountains they stumble on the body of the creature, perfectly preserved in the ice. He is brought back to life with the help of the hypnotist Zoltan who now controls the creature. Can Frankenstein break Zoltan's hypnotic spell that incites the monster to commit these horrific murders or will Zoltan induce the creature to destroy its creator?
A deformed tormented girl drowns herself after her lover is framed for murder and guillotined. Baron Frankenstein, experimenting with the transfer of souls, places the boy's soul into her body, bringing Christina back to life. Driven by revenge, she carries out a violent retribution on those responsible for both deaths.
Frankenstein's unscrupulous colleague, Dr. Bohmer, plans to transplant Ygor's brain so he can rule the world using the monster's body, but the plan goes sour when he turns malevolent and goes on a rampage.
One of the sons of late Dr. Henry Frankenstein finds his father's ghoulish creation in a coma and revives him, only to find out the monster is controlled by Ygor who is bent on revenge.